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PZZ750 Coastal Waters From San Mateo Point To The Mexican Border And Out To 30 Nm- 222 Am Pst Wed Nov 29 2023
Today..Wind northwest 10 knots. Wind waves around 2 feet or less. SWell west 1 to 2 feet at 13 seconds. A slight chance of showers this afternoon.
Tonight..Wind west 10 knots. Wind waves around 2 feet or less. SWell west 2 feet at 12 seconds. A chance of showers.
Thursday..Wind west 10 knots. Gusts to 15 knots in the afternoon. Wind waves around 2 feet or less. SWell west 2 to 3 feet at 11 seconds. A chance of showers.
Thursday night..Wind northwest 10 to 15 knots. Wind waves around 2 feet or less...becoming 3 feet after midnight. SWell west 3 to 5 feet at 9 seconds. A chance of showers, mainly in the evening.
Friday..Wind south 10 knots...becoming west in the afternoon. Gusts to 15 knots. Wind waves around 2 feet or less. SWell west 5 to 6 feet at 9 seconds. A slight chance of showers in the morning.
Friday night..Wind northwest 10 knots in the evening...becoming variable less than 10 knots. Wind waves around 2 feet or less. SWell west 4 to 5 feet.
Saturday..Wind variable less than 10 knots. Wind waves around 2 feet or less. SWell west 3 to 5 feet.
Saturday night..Wind variable less than 10 knots...becoming northwest 10 knots after midnight. Wind waves around 2 feet or less. SWell west 2 to 3 feet.
Sunday..Wind variable less than 10 knots...becoming west 10 knots in the afternoon. Wind waves around 2 feet or less. SWell west 2 feet.
Sunday night..Wind north 10 knots in the evening...becoming variable less than 10 knots. Wind waves around 2 feet or less. SWell west 2 to 3 feet.

PZZ700 222 Am Pst Wed Nov 29 2023
Synopsis for the far southern california coast.. At 1 am, a 1024 mb high was over the great salt lake, a 1015 mb low covered the northern gulf of california, and a 1011 mb low was 200 nm west of san francisco at the core of a storm system. Onshore flow will strengthen for today through Friday. Some gusts in the outer waters could exceed 20 knots late Thursday through early Friday, creating possibly hazardous conditions. Northwest flow continues Friday through Saturday, with weak offshore flow developing Sunday.

FXUS66 KSGX 291218 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 418 AM PST Wed Nov 29 2023

SYNOPSIS
A low pressure system from the northwest will move inland through southern California today with colder and moist onshore flow continuing into early Friday bringing cooling, more clouds, chances for showers, and gusty west winds for the mountains and deserts. Then dry and warmer for the weekend into the middle of next week with high pressure aloft near the West Coast and occasional mostly weak offshore flow.

DISCUSSION
FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...

.SHORT TERM (Today through Friday)...
A low pressure system near the central California coast will move into southern California today, then move across Arizona tonight.
Satellite imagery early this morning shows increasing high clouds across southwestern California with a few patches of low clouds over land areas. The greater coverage of low clouds is mostly just beyond the offshore islands.

The increasing clouds and onshore flow will bring cooling today with high temperatures around 5 degrees cooler than Tuesday to as much as 10 to 15 degrees cooler for the lower coastal slopes of the mountains. HRRR shows some lighter and more widely scattered showers developing in the afternoon ahead of the cold front with increasing coverage during the evening and overnight as instability increases as colder air aloft moves across the relatively warmer coastal waters.

The greater coverage of showers will be to the south and east of Los Angeles County with the greatest coverage across San Diego County from the coastal waters to the mountains. After Thursday morning, the greater shower coverage will be mostly over land areas of San Diego County with the greatest coverage for the valleys into the mountains.

Through early Friday, rainfall for Orange, southwestern San Bernardino, and western Riverside Counties will be mostly one- tenth inch or less at the coast to one-tenth to one-quarter inch in the mountains. For San Diego County, rainfall will generally be around one-quarter inch near the coast to one-quarter to one-half inch in the mountains with locally greater amounts.

Greater amounts are expected in bands of showers. For San Diego County from the coast to the mountains, chances for one-tenth or more of rainfall are generally 75 to 80 percent, around 20 percent for one-half inch or more, and around 5 percent for one inch or more. The snow level will mostly fluctuate between 5500 and 6500 feet with a few inches of snowfall possible above 6000 feet.

High temperatures will be a few degrees cooler on Thursday with the coast and valleys warming a few degrees on Friday.

.LONG TERM (Saturday through Tuesday)...
High pressure aloft will strengthen along the West Coast with a warming trend for the weekend into Tuesday or Wednesday. With the warming, high temperatures on Tuesday will be 5 to 10 degrees above average for the deserts into the mountains and generally 10 to 15 degrees above average for the coast and valleys, into the lower 80s in the warmer locations. There could be some occasional and mostly weak offshore flow at times.

AVIATION
291030Z
Coast/Valleys
Low cloud coverage gradually increasing this morning with bases near 1500-3000 feet MSL. -SHRA possible after 21Z, most likely in San Diego county. Isold vis down to 4SM and cigs near 1000 feet MSL in SHRA. -SHRA look to continue intermittently into Thursday morning, mostly across San Diego County.

Mountains/Deserts...Westerly winds with gusts 35 to 45 kt over the mountains, through passes, and into the deserts after 21Z.

MARINE
Northwest wind gusts near 20 knots over the outer waters late Thursday through early Friday, which could produce choppy seas and hazardous boating conditions. Otherwise, no hazardous marine conditions are expected through Sunday.

SKYWARN
Skywarn activation is not requested. However weather spotters are encouraged to report significant weather conditions.

SGX WATCHES/WARNINGS/ADVISORIES
CA...None.
PZ...None.

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Crown Point
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Wed -- 03:28 AM PST     2.34 feet Low Tide
Wed -- 06:31 AM PST     Sunrise
Wed -- 09:00 AM PST     Moonset
Wed -- 09:29 AM PST     6.42 feet High Tide
Wed -- 04:42 PM PST     Sunset
Wed -- 05:17 PM PST     -0.82 feet Low Tide
Wed -- 06:42 PM PST     Moonrise
Wed -- 11:43 PM PST     3.54 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Crown Point, Mission Bay, California, Tide feet

San Diego Bay Entrance
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Wed -- 01:15 AM PST     -0.75 knots Max Ebb
Wed -- 03:27 AM PST     0.00 knots Slack
Wed -- 06:31 AM PST     Sunrise
Wed -- 06:50 AM PST     1.33 knots Max Flood
Wed -- 08:59 AM PST     Moonset
Wed -- 09:51 AM PST     -0.00 knots Slack
Wed -- 01:37 PM PST     -2.28 knots Max Ebb
Wed -- 04:42 PM PST     Sunset
Wed -- 05:34 PM PST     0.00 knots Slack
Wed -- 06:42 PM PST     Moonrise
Wed -- 08:35 PM PST     1.19 knots Max Flood
Wed -- 11:58 PM PST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION

San Diego Bay Entrance, California Current, knots

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